SQL PL/SQL

Here is the list of commands in SQL and PL/SQL. You need to navigate  between the pages to download. You can also have the other concept material like a C file, RDBMS file, a Data Structure File or an information technology.

Create Command Create command is used to create a Table or a relation. Syntax: Create table tablename (Field1 datatype, Field1 datatype,……., Field n datatype) SQL> create table emp (eno number (8), ename varchar2 (20), esal number (10)); Table created. Describe Command Describe command is used to see the description of a table. Syntax: Desc tablename SQL> desc emp; Name Null? Type ------------------------------- -------- ---- ENO NUMBER(8) ENAME VARCHAR2(20) ESAL NUMBER(10) Insert command Insert command is used to insert the values in a table. Syntax: insert into tablename values (value1, value2,….., value n) SQL> insert into emp values (&eno,'&ename',&esal); Enter value for eno: 1 Enter value for ename: suresh Enter value for esal: 20000 old 1: insert into emp values(&eno,'&ename',&esal) new 1: insert into emp values(1,'suresh',20000) 1 row created. SQL> / Enter value for eno: 2 Enter value for ename: ajay Enter value for esal: 15000 old 1: insert into emp values(&eno,'&ename',&esal) new 1: insert into emp values(2,'ajay',15000) 1 row created. SQL> / Enter value for eno: 3 Enter value for ename: vijay Enter value for esal: 18000 old 1: insert into emp values(&eno,'&ename',&esal) new 1: insert into emp values(3,'vijay',18000) 1 row created. SQL> / Enter value for eno: 4 Enter value for ename: arun Enter value for esal: 17 old 1: insert into emp values(&eno,'&ename',&esal) new 1: insert into emp values(4,'arun',17) 1 row created.

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